Asked by GC

S = lw +2h +lh, solve for w
Answered by DrBob222
S = lw +2h +lh, solve for w
<b>Place lw on the left.
-lw = 2h + 1h - S
combine h terms.
-lw = 3h - S
multiply through by -1.
lw = -3h + S
solve for w.
w = (-3h + S)/l
check my work. </b>